77 several other problems instanced by him- self (p. 132, Epistola Secunda ad Riolanum), and hidden then, to use his own metaphor (p. 630, ed. 1766; p. 613, ed. Willis, Epistola Prima ad Horstium), in the well of Demo- critus. For the culture which Harvey had be- stowed upon his literary faculties, we have better evidence than Aubrey's, better even than that of two more trustworthy witnesses than Aubrey — Bishop Pearson, to wit, and Sir William Temple : we have the evidence of his own writings as to his familiarity with one of the greatest writers of antiquity. Bishop Pearson, as Dr. George Paget has reminded us (see p. 15 of his Notice of an Unpublished Manuscript of Harvey, 1850), writing in 1664, but seven years after Harvey's death, and Aubrey (see p. lxxxii. of Life by Dr. Willis, prefixed to the Sydenham Society's edition of his works, 1847), have ' They have hecome habituated, and are living in spite of, not because of these surroundings : immigrants die in the process of acclimatisation.' Such persons, and indeed all persons, may read with profit Mr. G. H. Lewes' Physio- logy of Common Life, vol. i. pp. 372-377, upon this subject.